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Finding the Fourth Proportional to 297,516.76, 410,566.18 and 161,551.04

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Solution

The fourth proportional to 297,516.76, 410,566.18 and 161,551.04 is: 222,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,516.76 : 410,566.18 = 161,551.04 : x
  2. Step 2: Convert to fraction form
    297,516.76/410,566.18 = 161,551.04/x
  3. Step 3: Cross multiply
    297,516.76x = 410,566.18 × 161,551.04
  4. Step 4: Simplify right side
    297,516.76x = 66,327,393,367.83
  5. Step 5: Solve for x
    x = 66,327,393,367.83/297,516.76
  6. Step 6: Final answer
    x = 222,936.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.